Play media comment. How did the Spanish increase their knowledge of Texas in 1519? Group of answer choices

A Juan Ponce de Leon was the first European to map the Texas coastline.

B Alvar Nunez Cabeza de Vaca was the first Spanish conquistador to map the Texas coastline.

C Alonso Alvarez de Pineda of Spain was the first to map the Texas coastline.

D Francisco Coronado was the first Spanish explorer to map the Texas coastline.

The constant presence of diseases or infectious agents within a given geographic area or population group. it may also refer to the usual prevalence of a given disease with such area or group. it includes holoendemic and hyperendemic diseases. a holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). a hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. so probably family history.